Triple murex Pterynotus triformis, copyright Museums Victoria.

Belongs within: Muricidae.

Pterynotus is a genus of murexes with a trivaricate shell bearing more or less expanded varical flanges. In members of the subgenus Pterochelus, there is a channeled spine at the shoulder surrounded by the wing-like varix.

<==Pterynotus Swainson 1833 [=Pterymurex Rovereto 1899] RA75
    |  i. s.: P. barclayi Reeve 1857 WG71
    |         P. centrifugus C64
    |         P. festivus C64
    |         P. fulgens Houart 1988 BC01
    |         P. patagiatus Hedley 1912 WG71
    |         P. phaneus (Dall 1889) A88
    |         P. pygmaeus (Bush 1893) [=Murex (Pteronotus) pygmaeus] MP65
    |         P. undosus Vokes 1993 MG-H11
    |--‘Purpura’ alatus Röding 1798 [incl. Murex pinnatus Swainson 1822, *Pterynotus pinnatus] RA75
    `--P. (Pterochelus Jousseaume 1880) P61
         |--P. (*P.) acanthopterus (Lamarck 1816) P61, RA75 [=Murex acanthopterus RA75]
         |--P. (P.) angasi Crosse 1863 WG71 [=Murex (P.) angasi F27]
         |--P. (P.) bednalli Brazier 1877 WG71
         |--P. (P.) duffusi Iredale 1936 WG71
         |--P. (P.) eos (Hutton 1873) P61 [=Murex eos F27]
         `--P. (P.) triformis Reeve 1845 WG71 [=Murex (P.) triformis F27]

*Type species of generic name indicated


[A88] Askew, T. M. 1988. A new species of pleurotomariid gastropod from the western Atlantic. Nautilus 102 (3): 89–91.

[BC01] Boyko, C. B., & J. R. Cordeiro. 2001. Catalog of Recent type specimens in the Division of Invertebrate Zoology, American Museum of Natural History. V. Mollusca, part 2 (class Gastropoda [exclusive of Opisthobranchia and Pulmonata], with supplements to Gastropoda [Opisthobranchia], and Bivalvia). Bulletin of the American Museum of Natural History 262: 1–170.

[C64] Carpenter, P. P. 1864. Supplementary report on the present state of our knowledge with regard to the Mollusca of the west coast of North America. Report of the British Association for the Advancement of Science 33: 517–686.

[F27] Finlay, H. J. 1927. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.

[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.

[MP65] Merrill, A. S., & R. E. Petit. 1965. Mollusks new to South Carolina. Nautilus 79 (2): 58–66.

[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.

[RA75] Radwin, G. E., & A. D’Attilio. 1975. A catalogue of muricacean generic taxa. Transactions of the San Diego Society of Natural History 17 (20): 279–292.

[WG71] Wilson, B. R., & K. Gillett. 1971. Australian Shells: illustrating and describing 600 species of marine gastropods found in Australian waters. A. H. & A. W. Reed: Sydney.

Last updated: 19 September 2021.

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